Solve the problem.A bag of marbles has twice as many blue marbles as green marbles, and the bag has at least 27 marbles in it. At least how many green marbles does it have?
A. At least 9 green marbles
B. At least 10 green marbles
C. At least 18 green marbles
D. At least 14 green marbles
Answer: A
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Solve the problem.The magnitudes and directions of two forces acting on an object are given. Find the magnitude of the resultant to the nearest tenth.71.8 lb; 10.9° W of Nand132.3 lb; 57.1° W of S
A. 97.5 lb B. 158.3 lb C. 111.1 lb D. 124.7 lb
Set up the general equation from the given statement.The power P required to propel a ship varies as the cube of the speed s.
A. P = 
B. P = 
C. P = k
D. P = ks3
c = 11.6 and b = 2.8. Find é.
a. 13.97ø
b. 13.57ø
c. 39.93ø
d. 76.03ø
e. 76.43ø
Solve the problem.The approximate monthly average temperatures in degrees Fahrenheit in a certain city can be approximated by the function f(x) = -0.005x6 + 0.31x4 - 6.14x2 + 83with domain {x|-6 ? x ? 6}. Here x represents the month with 
corresponding to July. What other month has the same average temperature as March?
A. September B. October C. November D. December